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Old 05-24-2008, 08:18 PM   #1
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Unhappy HPI rs4 3 evo exhaust gasket issue?????

I've got a rs4 3 evo with an OS cv-r .12 with the side exhaust(using the THS tuned pipe). The problem i'm having is that it keeps blowing the manifold gasket out from in between where the header connects to the motor. I'm using the HPI gray one now. I'm not overtightening it. Is there another brand that is stronger i can use????????????????
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Old 05-25-2008, 08:53 AM   #2
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Sounds like you warped/bent your header mounting flange. You can try putting a piece of fine grit sand paper on a piece of glass(or something flat) and sand the area where the exhaust gasket normally sits. Do it in circular motion until the flanged area is flat (the flanged area should look clean and no warpage). Wash it and fix it back, you will not face the leaky problem again.
Hope this helps......
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Old 05-25-2008, 10:51 AM   #3
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Thanks jayjay. I'll try that. I have this car flying around the track and that seems to be the only problem.
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Old 10-13-2010, 04:50 PM   #4
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Default my rs4

hello gys im new in rc cars. i have a rs4 3 evo. i put 47 t transmission. but when i start the car the 47 t broken.

the tank is full. when i start engine can only use 2 minutes satnd by. ONLY ACELERATE . and the tank is empty. help me please
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Old 10-13-2010, 05:00 PM   #5
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Originally Posted by BIG DADDY8 View Post
I've got a rs4 3 evo with an OS cv-r .12 with the side exhaust(using the THS tuned pipe). The problem i'm having is that it keeps blowing the manifold gasket out from in between where the header connects to the motor. I'm using the HPI gray one now. I'm not overtightening it. Is there another brand that is stronger i can use????????????????
sandwich 2 of them together with a thin coat of hi-temp rtv silicone.
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Old 10-13-2010, 05:02 PM   #6
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Originally Posted by rychy View Post
hello gys im new in rc cars. i have a rs4 3 evo. i put 47 t transmission. but when i start the car the 47 t broken.

the tank is full. when i start engine can only use 2 minutes satnd by. ONLY ACELERATE . and the tank is empty. help me please

gear mesh out of alignment
carb out of adjustment
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Old 10-13-2010, 06:05 PM   #7
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gear mesh out of alignment
carb out of adjustment


i have the same gear prob for my rs4-2 with left side motor and 2 speed trans
idk whats wrong im new to the whole 2 speed i looked at a hobby site to see what it includes it looks like all my stuffs there but the car just wont move runs great but just wont move
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Old 10-13-2010, 06:23 PM   #8
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sandwich 2 of them together with a thin coat of hi-temp rtv silicone.
This thread is like 2 yrs old. That car is gone. Thanks God.
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Old 10-13-2010, 06:28 PM   #9
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This thread is like 2 yrs old. That car is gone. Thanks God.
didnt see that..
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